In 2017, Sioux County, IA had a population of 34.7k people with a median age of 33.3 and a median household income of $66,022. Between 2016 and 2017 the population of Sioux County, IA grew from 34,621 to 34,692, a 0.205% increase and its median household income grew from $63,466 to $66,022, a 4.03% increase.
The population of Sioux County, IA is 87.5% White Alone, 10.2% Hispanic or Latino, and 0.983% Two or More Races. 9.3% of the people in Sioux County, IA speak a non-English language, and 95.3% are U.S. citizens.
The median property value in Sioux County, IA is $153,800, and the homeownership rate is 80%. Most people in Sioux County, IA commute by Drove Alone, and the average commute time is 11.6 minutes. The average car ownership in Sioux County, IA is 2 cars per household.